| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Margalit Erez | VP Research & Dev. | KIBBUTZ SDOT-YAM, SDOT-YAM, MP MENASHE, ISRAEL | /s/ Erez Margalit | 18 Mar 2026 | 0002113297 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CSTE | Ordinary Shares | 7,700 | 18 Mar 2026 | By Trust | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 32,000 | $13.43 | By Trust | F2 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 6,000 | $12.88 | By Trust | F2 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 6,000 | $9.12 | By Trust | F3 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 60,000 | $4.31 | By Trust | F4 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 1,400 | $5.94 | By Trust | F5 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 6,000 | $3.42 | By Trust | F6 | ||||||
| holding | CSTE | Stock Option | 18 Mar 2026 | Ordinary Shares | 28,700 | $1.60 | By Trust | F7 |
| Id | Content |
|---|---|
| F1 | Restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Ordinary Shares, subject to the Reporting Person's continued service through the applicable vesting date. Of the RSUs reported herein, 6,800 are fully vested. The remaining RSUs vest as follows: 225 RSUs vest on September 21, 2026; and 675 RSUs vest in three equal installments on March 4, 2027, March 4, 2028, March 4, 2029. |
| F2 | The stock options are fully vested. |
| F3 | The stock options were granted on September 22, 2022, and vest in four equal annual installments on September 21, 2023, September 21, 2024, September 21, 2025, September 21, 2026, subject to the Reporting Person's continued service through each applicable vesting date. |
| F4 | The stock options were granted on September 20, 2023, and vest in four equal annual installments on September 19, 2024, September 19, 2025, September 19, 2026, September 19, 2027, subject to the Reporting Person's continued service through each applicable vesting date. |
| F5 | The stock options were granted on May 8, 2024, and vest in four equal annual installments on May 7, 2025, May 7, 2026, May 7, 2027, May 7, 2028, subject to the Reporting Person's continued service through each applicable vesting date. |
| F6 | The stock options were granted on March 5, 2025, and vest in four equal annual installments on March 4, 2026, March 4, 2027, March 4, 2028, March 4, 2029, subject to the Reporting Person's continued service through each applicable vesting date. |
| F7 | The stock options were granted on December 17, 2025, and vest in four equal annual installments on December 16, 2026, December 16, 2027, December 16, 2028, December 16, 2029, subject to the Reporting Person's continued service through each applicable vesting date. |